When you simply sign in to Gin, without selecting any specific repository, you fill find a page like below (note that this is just an example):
This is called the "dashboard", and here you can see most of your activity on Gin.
The dashboard may be divided into several areas:
This shows your recent activity on Gin, e.g.
This area lists up the repositories owned by others and those you have access to.
Normally, most of your repositories will show up here, as they are owned and managed by @larkumlab.
This area lists up the repositories owned by yourself.
In many cases, these are visible only to you unless you add a Collaborator to one of them.